1891255285

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1\times {\mathrm{631}}^1$

素因数の和:1045

約数の個数: 32

約数和(自身を含む): 2392418304

約数和(自身を除く): 501163019

約数列:

[1, 5, 31, 61, 155, 305, 317, 631, 1585, 1891, 3155, 9455, 9827, 19337, 19561, 38491, 49135, 96685, 97805, 192455, 200027, 599447, 1000135, 1193221, 2997235, 5966105, 6200837, 12201647, 31004185, 61008235, 378251057, 1891255285]

約数ペア:

[(1, 1891255285), (5, 378251057), (31, 61008235), (61, 31004185), (155, 12201647), (305, 6200837), (317, 5966105), (631, 2997235), (1585, 1193221), (1891, 1000135), (3155, 599447), (9455, 200027), (9827, 192455), (19337, 97805), (19561, 96685), (38491, 49135)]